Download OpenTaxSolver

OpenTaxSolver is available as source-code for compilation on all platforms.
Instructions (0_README.txt) and examples are included in all versions.

Versions updated for most recent (2009) tax-year:

USA: For Linux, Posix/Unix -
OpenTaxSolver2009_7.08.tgz (0.41-MB)
- April 15, 2010 - Contains US 1040 Fed taxes, Scheds A, B, C, and D, updated for 2009 tax-year.
Also includes updated State-Tax versions for CA, NY, PA, NJ, OH, NC, VA, and MA.
Contains source-code with build scripts, and compiled binary executables for Linux PCs. Re-compile if needed.
To start in graphical mode, invoke: ./Run_taxsolve_GUI_Unix.shUnpacking -
Package is a gzip'd tar-file. To unpack, tar xfz OpenTaxSolver2009_7.08.tgz
Will unpack into a directory of similar name.
Please see the 0_Readme.txt file in top directory for instructions about running or re-building.
(Simple compiling instructions are also included in header comments of all programs.)

USA: For Apple Mac-OSx -
OpenTaxSolver2009_7.08_macosx.tgz (0.41-MB)
- April 15, 2010 - Same as above, but contains compiled binary executables for Apple Mac-OSx.
Source-code is also included.
Contains US 1040 Fed taxes, Scheds A, B, C, and D, updated for 2009 tax-year,
as well as updated State-Tax versions for CA, NY, PA, NJ, OH, NC, VA, and MA.
To start in graphical mode, you must first start the X-windows X-server, then you can invoke the OTS GUI
from an Xterm window with: Run_taxsolve_GUI_Unix.sh
(You may need to get and install the
X-windows server.)
Unpacking -
Package is a gzip'd tar-file. To unpack, tar xfz OpenTaxSolver2009_7.08_macosx.tgz
Will unpack into a directory of similar name.
Please see the 0_Readme.txt file in top directory for instructions about running or re-building.

Revision History:

v7.08 (4/15/10) - Minor improvements to US 1040 AMT print-outs.

v7.07 (3/29/10) - Fixed US 1040 tax-table for Married filing jointly.

v7.06 (3/18/10) - Fixed label of New York State line 38. Re-ordered lines 50-53.